The prime factorization of 2015 is:
$$ 2015 = 5\cdot13\cdot31 $$Prime factorization can be nicely visualized by creating a factorization tree.
2015 can be written as 5 × 403. |
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403 can be written as 13 × 31. |
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The end nodes are the prime factors of the number 2015. |
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